/* 云服务竞争情报系统 - 主样式表 */

/* Google Fonts 引入 - 科技感字体 */
@import url('https://fonts.googleapis.com/css2?family=Fira+Code:wght@300;400;500;600;700&display=swap');
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono:wght@300;400;500;600;700&display=swap');

/* 基础样式 */
:root {
    --primary-color: #0066cc;
    --primary-light: #2b88d8;
    --primary-dark: #004c99;
    --secondary-color: #2b579a;
    --accent-color: #00a383;
    --accent-dark: #008f76;
    --bg-light: #d1dbe8;
    --bg-main: #b8c7d9;
    --bg-dark: #a5b7cc;
    --text-primary: #2c3e50;
    --text-light: #5b6b7c;
    --text-dark: #1a2533;
    --border-color: #bccad8;
    --shadow-sm: 0 2px 5px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 8px 28px rgba(0,0,0,0.12);
    --transition: all 0.3s ease;
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --content-padding: 40px;
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Fira Code', 'JetBrains Mono', 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', 'Source Code Pro', 'Menlo', 'Courier New', monospace;
    line-height: 1.6;
    color: var(--text-primary);
    background-color: var(--bg-main);
    max-width: 100%;
    overflow-x: hidden;
}

a {
    color: var(--primary-color);
    text-decoration: none;
    transition: var(--transition);
}

a:hover {
    color: var(--primary-dark);
    text-decoration: underline;
}

/* 布局组件 */
header {
    background: linear-gradient(135deg, #004c99, #1a3a6c);
    color: white;
    padding: 30px 20px;
    text-align: center;
    box-shadow: var(--shadow-md);
    position: relative;
    overflow: hidden;
}

header::before {
    content: "";
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(255,255,255,0.05) 10%, transparent 10.5%);
    background-size: 20px 20px;
    opacity: 0.3;
    pointer-events: none;
}

header h1 {
    font-size: 2.2rem;
    margin: 0 0 15px 0;
    font-weight: 600;
    letter-spacing: 0.5px;
    font-family: 'Fira Code', 'JetBrains Mono', monospace;
    text-transform: uppercase;
}

.subtitle {
    font-size: 1.1rem;
    margin: 0 0 20px 0;
    opacity: 0.9;
    font-weight: 400;
}

.nav-links {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 25px;
}

.nav-links a {
    color: white;
    text-decoration: none;
    padding: 8px 16px;
    border-radius: var(--radius-sm);
    background-color: rgba(255, 255, 255, 0.15);
    transition: var(--transition);
    font-weight: 400;
    font-family: 'Fira Code', 'JetBrains Mono', monospace;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.nav-links a:hover {
    background-color: rgba(255, 255, 255, 0.25);
    transform: translateY(-2px);
    text-decoration: none;
}

.back-link::before {
    content: "←";
    margin-right: 8px;
}

.download-link::before {
    content: "↓";
    margin-right: 8px;
}

main {
    max-width: 1200px;
    margin: 30px auto;
    padding: 0 20px;
}

section {
    background-color: var(--bg-light);
    border-radius: var(--radius-md);
    padding: 25px;
    margin-bottom: 25px;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: var(--transition);
}

section:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}

section h2 {
    color: var(--secondary-color);
    margin-top: 0;
    margin-bottom: 20px;
    font-size: 1.5rem;
    font-weight: 500;
    display: flex;
    align-items: center;
    letter-spacing: 0.8px;
    position: relative;
    padding-bottom: 10px;
    font-family: 'Fira Code', 'JetBrains Mono', monospace;
    text-transform: uppercase;
}

section h2::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    width: 40px;
    height: 3px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    border-radius: 2px;
}

footer {
    background: linear-gradient(135deg, #b8c7d9, #a5b7cc);
    color: var(--text-light);
    text-align: center;
    padding: 20px;
    margin-top: 40px;
    border-top: 1px solid var(--border-color);
    position: relative;
}

footer::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
}

/* 表格样式升级 */
table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    border-radius: var(--radius-sm);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}

th, td {
    padding: 15px;
    text-align: left;
}

th {
    background-color: var(--bg-dark);
    color: var(--text-dark);
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.8px;
    font-family: 'Fira Code', 'JetBrains Mono', monospace;
}

td {
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-light);
}

tr:last-child td {
    border-bottom: none;
}

tbody tr {
    transition: var(--transition);
}

tbody tr:hover {
    background-color: rgba(0, 102, 204, 0.05);
}

/* 卡片样式 */
.card {
    background-color: var(--bg-light);
    border-radius: var(--radius-md);
    padding: 25px;
    box-shadow: var(--shadow-md);
    transition: var(--transition);
    border: 1px solid var(--border-color);
    position: relative;
    z-index: 1;
    overflow: hidden;
}

.card::after {
    content: "";
    position: absolute;
    top: 0;
    right: 0;
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, transparent 50%, rgba(0, 102, 204, 0.08) 50%);
    z-index: -1;
    border-radius: 0 0 0 100px;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.card h3 {
    margin-top: 0;
    margin-bottom: 20px;
    color: var(--primary-color);
    font-size: 1.5rem;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 10px;
    font-family: 'Fira Code', 'JetBrains Mono', monospace;
    font-weight: 500;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

/* 文档内容 */
.document-content {
    background-color: var(--bg-light);
    padding: var(--content-padding);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-md);
    line-height: 1.8;
    border: 1px solid var(--border-color);
    font-size: 1.05rem;
    font-family: 'Fira Code', 'JetBrains Mono', 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', 'Source Code Pro', 'Menlo', 'Courier New', monospace;
}

.document-content h1,
.document-content h2,
.document-content h3,
.document-content h4,
.document-content h5,
.document-content h6 {
    margin-top: 1.8em;
    margin-bottom: 0.8em;
    color: var(--text-dark);
    font-weight: 500;
    letter-spacing: 0.5px;
    font-family: 'Fira Code', 'JetBrains Mono', monospace;
    text-transform: uppercase;
}

.document-content h1 {
    font-size: 28px;
    border-bottom: 1px solid var(--border-color);
    padding-bottom: 12px;
}

.document-content h2 {
    font-size: 24px;
}

.document-content h3 {
    font-size: 20px;
}

.document-content p,
.document-content ul,
.document-content ol {
    margin-bottom: 1.2em;
    font-family: 'Fira Code', 'JetBrains Mono', 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', 'Source Code Pro', 'Menlo', 'Courier New', monospace;
}

.document-content ul,
.document-content ol {
    padding-left: 2em;
}

.document-content code {
    background-color: #f5f7fa;
    padding: 3px 6px;
    border-radius: 3px;
    font-family: 'Fira Code', 'JetBrains Mono', 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', 'Source Code Pro', 'Menlo', 'Courier New', monospace;
    font-size: 0.9em;
    color: #e83e8c;
    font-weight: 400;
}

.document-content pre {
    background-color: #f5f7fa;
    border-radius: 5px;
    padding: 15px;
    overflow-x: auto;
    margin: 1.5em 0;
    border: 1px solid #eef1f6;
}

.document-content pre code {
    background-color: transparent;
    padding: 0;
    color: inherit;
}

.document-content blockquote {
    border-left: 4px solid var(--primary-color);
    padding: 12px 20px;
    margin: 1.5em 0;
    background-color: #f9fafb;
    border-radius: 0 8px 8px 0;
    font-family: 'Fira Code', 'JetBrains Mono', 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', 'Source Code Pro', 'Menlo', 'Courier New', monospace;
    font-style: italic;
}

.document-content img {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 1.5em auto;
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.document-content img:hover {
    transform: scale(1.01);
    box-shadow: var(--shadow-md);
}

.document-content table {
    margin: 1.5em 0;
    border: 1px solid var(--border-color);
}

.document-content th,
.document-content td {
    padding: 10px;
    border: 1px solid var(--border-color);
    font-family: 'Fira Code', 'JetBrains Mono', 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', 'Source Code Pro', 'Menlo', 'Courier New', monospace;
}

.doc-meta {
    margin-bottom: 25px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    justify-content: center;
}

.doc-meta span {
    display: inline-flex;
    align-items: center;
    color: var(--text-primary);
    font-size: 0.85rem;
    font-weight: 400;
    background-color: var(--bg-dark);
    padding: 5px 12px;
    border-radius: 20px;
    font-family: 'Fira Code', 'JetBrains Mono', monospace;
    letter-spacing: 0.3px;
    text-transform: uppercase;
}

.doc-meta .date::before {
    content: "📅";
    margin-right: 8px;
    opacity: 0.8;
}

.doc-meta .source-type::before {
    content: "📄";
    margin-right: 8px;
    opacity: 0.8;
}

.doc-meta .author::before {
    content: "👤";
    margin-right: 8px;
    opacity: 0.8;
}

.no-data {
    text-align: center;
    padding: 60px 0;
    color: var(--text-light);
    font-size: 1.1rem;
    background: linear-gradient(135deg, rgba(0, 102, 204, 0.03), rgba(43, 87, 154, 0.03));
    border-radius: var(--radius-md);
    border: 1px dashed var(--border-color);
}

.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    background-color: var(--primary-color);
    color: white;
    font-size: 12px;
    margin-left: 8px;
    transition: var(--transition);
    font-weight: 500;
}

.badge:hover {
    background-color: var(--primary-dark);
    transform: translateY(-1px);
    text-decoration: none;
}

.analysis-marker {
    background-color: rgba(0, 163, 131, 0.1);
    padding: 1px 3px;
    border-radius: 3px;
    border-bottom: 1px dashed var(--accent-color);
}

.insight {
    background-color: rgba(0, 102, 204, 0.05);
    border-left: 3px solid var(--primary-color);
    padding: 20px;
    margin: 1.5em 0;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    font-family: 'Fira Code', 'JetBrains Mono', 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', 'Source Code Pro', 'Menlo', 'Courier New', monospace;
}

.ai-summary {
    background-color: rgba(0, 163, 131, 0.05);
    border: 1px solid rgba(0, 163, 131, 0.2);
    border-radius: var(--radius-md);
    padding: 30px;
    margin-bottom: 30px;
    position: relative;
    font-family: 'Fira Code', 'JetBrains Mono', 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', 'Source Code Pro', 'Menlo', 'Courier New', monospace;
}

.ai-summary::before {
    content: "AI";
    position: absolute;
    top: -10px;
    left: 20px;
    background-color: var(--accent-color);
    color: white;
    padding: 2px 10px;
    border-radius: 12px;
    font-size: 12px;
    font-weight: bold;
}

.ai-summary h2 {
    color: var(--text-dark);
    font-size: 1.2rem;
    margin-top: 5px;
    border-bottom: 1px solid rgba(0, 163, 131, 0.2);
    padding-bottom: 10px;
}

.ai-highlight {
    background-color: rgba(0, 163, 131, 0.1);
    padding: 3px;
    border-radius: 3px;
}

.view-toggle {
    text-align: center;
    margin: 20px 0;
    padding: 10px;
}

/* 折叠面板样式 */
.collapsible-section {
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 20px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.collapsible-section:hover {
    box-shadow: var(--shadow-md);
}

.collapsible-header {
    background-color: var(--bg-dark);
    padding: 15px 20px;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    transition: var(--transition);
    color: var(--text-dark);
    border-bottom: 1px solid transparent;
}

.collapsible-header:hover {
    background-color: rgba(0, 102, 204, 0.05);
}

.collapsible-header::after {
    content: "▼";
    font-size: 12px;
    transition: transform 0.3s;
    opacity: 0.7;
}

.collapsible-header.collapsed::after {
    transform: rotate(-90deg);
}

.collapsible-content {
    padding: 20px;
    max-height: 100000px;
    overflow: hidden;
    transition: max-height 0.8s cubic-bezier(0,1,0,1), padding 0.3s;
    font-family: 'Fira Code', 'JetBrains Mono', 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', 'Source Code Pro', 'Menlo', 'Courier New', monospace;
}

.collapsible-content.collapsed {
    max-height: 0;
    padding-top: 0;
    padding-bottom: 0;
    transition: max-height 0.4s cubic-bezier(1,0,1,0), padding 0.3s;
}

/* 动画效果 */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.fade-in {
    animation: fadeIn 0.5s ease-out;
}

/* 搜索控件优化 */
.filter-controls {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 20px;
    padding: 20px;
    background-color: var(--bg-light);
    border-radius: var(--radius-md);
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
}

.filter-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.filter-label {
    font-weight: 400;
    color: var(--text-primary);
    font-size: 0.85rem;
    white-space: nowrap;
    font-family: 'Fira Code', 'JetBrains Mono', monospace;
    letter-spacing: 0.3px;
    text-transform: uppercase;
}

.filter-select {
    padding: 8px 12px;
    border-radius: var(--radius-sm);
    border: 1px solid var(--border-color);
    background-color: var(--bg-light);
    color: var(--text-primary);
    font-size: 0.9rem;
    transition: var(--transition);
    min-width: 150px;
}

.filter-select:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

/* 文档列表样式优化 */
.doc-list table {
    width: 100%;
    border-collapse: separate;
    border-spacing: 0;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    margin-top: 20px;
}

.doc-list th {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.85rem;
    letter-spacing: 0.5px;
    padding: 15px 20px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.doc-list td {
    padding: 15px 20px;
    border-bottom: 1px solid var(--border-color);
    background-color: var(--bg-light);
    transition: var(--transition);
}

.doc-list .source-type {
    text-align: center;
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--primary-color);
}

.doc-list .date {
    white-space: nowrap;
    color: var(--text-primary);
}

.doc-list .size {
    text-align: right;
    white-space: nowrap;
    color: var(--text-light);
}

/* 警告信息样式 */
.warning-message {
    background-color: rgba(255, 152, 0, 0.1);
    border-left: 4px solid #ff9800;
    color: #333;
    padding: 20px;
    margin: 20px 0;
    border-radius: 4px;
    font-size: 16px;
    line-height: 1.5;
    display: flex;
    align-items: center;
}

.warning-message::before {
    content: "⚠️";
    font-size: 24px;
    margin-right: 15px;
}

/* 加载更多样式 */
.load-more-container {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 30px 0;
    padding: 15px;
    text-align: center;
    min-height: 120px;
    position: relative;
    z-index: 10;
    background-color: transparent;
}

.load-more-info {
    margin-bottom: 15px;
    color: var(--text-light);
    font-size: 0.9rem;
    font-weight: 500;
}

.load-more-btn {
    padding: 12px 25px;
    background-color: var(--primary-color);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 400;
    cursor: pointer;
    transition: var(--transition);
    font-size: 0.9rem;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    width: 200px;
    min-height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Fira Code', 'JetBrains Mono', monospace;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.load-more-btn:hover {
    background-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.load-more-btn:active {
    transform: translateY(0);
}

.load-more-btn.loading {
    background-color: var(--bg-dark);
    color: var(--text-primary);
    pointer-events: none;
}

.load-more-btn.loading::after {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 300%;
    height: 100%;
    background: linear-gradient(90deg, 
        transparent, 
        rgba(255, 255, 255, 0.2), 
        transparent
    );
    animation: loading-sweep 1.5s infinite;
}

@keyframes loading-sweep {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

.all-loaded-info {
    padding: 10px 15px;
    background-color: var(--bg-dark);
    color: var(--text-primary);
    border-radius: var(--radius-md);
    font-size: 0.9rem;
    opacity: 0.7;
}

/* 无搜索结果提示 */
.no-results {
    padding: 40px 20px;
    text-align: center;
    color: var(--text-light);
    font-size: 1.1rem;
    background-color: var(--bg-light);
    border-radius: var(--radius-md);
    margin: 20px 0;
    border: 1px dashed var(--border-color);
}

/* Tab导航样式 */
.tab-nav {
    display: flex;
    margin-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.tab-button {
    padding: 10px 16px;
    background-color: transparent;
    border: none;
    border-bottom: 2px solid transparent;
    color: var(--text-light);
    font-weight: 400;
    cursor: pointer;
    transition: var(--transition);
    text-decoration: none;
    font-size: 0.85rem;
    font-family: 'Fira Code', 'JetBrains Mono', monospace;
    letter-spacing: 0.5px;
    text-transform: uppercase;
}

.tab-button:hover {
    color: var(--text-primary);
    text-decoration: none;
    background-color: rgba(0, 102, 204, 0.05);
}

.tab-button.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
    font-weight: 600;
}

.tab-content {
    display: none;
    font-family: 'Fira Code', 'JetBrains Mono', 'SF Mono', 'Monaco', 'Inconsolata', 'Roboto Mono', 'Source Code Pro', 'Menlo', 'Courier New', monospace;
}

.tab-content.active {
    display: block;
}